" In the expansion of "(x^(2)+1+(1)/(x^(2)))^(n)n in N

The total number of terms which are dependent on the value of x in the expansion of (x^(2)-2+(1)/(x^(2)))^(n) is equal to 2n+1 b.2n c.n d.n+1

The middle term in the expansion of (1+(1)/(x^(2)))^(n) ( 1+x^(2))^(n) is

The middle term in the expansion of (1+(1)/(x^(2)))^n ( 1+x^(2))^(n) is

Coefficient of the term independent of x in the expansion of (1+x)^(2n)(x/(1-x))^(-2n) is:

The coefficients fo x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) are in the ratio

The coefficient of x^n in the expansion of (1+x)^(2n) and (1+x)^(2n-1) are in the ratio.

The coefficients of x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) are in the ratio

n th term in the expansion of (x+(1)/(x))^(2n)